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Evaporation over a heterogeneous land surface : the EVA-GRIPS project

Title data

Mengelkamp, Heinz-Theo ; Beyrich, Frank ; Heinemann, G. ; Ament, F. ; Bange, Jens ; Berger, F. ; Bösenberg, J. ; Foken, Thomas ; Hennemuth, B. ; Heret, C. ; Huneke, Sven ; Johnsen, K.-P. ; Kerschgens, Michael ; Kohsiek, Wim ; Leps, Jens-Peter ; Liebethal, Claudia ; Lohse, Horst ; Mauder, Matthias ; Meijninger, Wouter M. L. ; Raasch, Siegfried ; Simmer, Clemens ; Spieß, Thomas ; Tittebrand, A. ; Uhlenbrook, J. ; Zittel, Peter:
Evaporation over a heterogeneous land surface : the EVA-GRIPS project.
In: Bulletin of the American Meteorological Society. Vol. 87 (June 2006) Issue 6 . - pp. 775-786.
ISSN 1520-0477
DOI: https://doi.org/10.1175/BAMS-87-6-775

Abstract in another language

The representation of sub-grid scale surface heterogeneities in numerical weather and climate models has been a challenging problem over more than the past decade. The project EVA-GRIPS (EVAporation at GRId and Pixel Scale) adds to the numerous studies on vegetation–atmosphere interaction processes through a comprehensive field campaign and through simulation studies with land-surface schemes and mesoscale models. The mixture of surface types in the test area in Eastern Germany is typical for larger parts of Northern Central Europe. The spatial scale considered corresponds to the grid scale of a regional atmospheric weather prediction or climate model and to the pixel scale of satellite images. Area averaged fluxes derived from point measurements, scintillomerter measurements and a helicopter borne turbulence probe were widely consistent with respect to the sensible heat flux. The latent heat flux from the scintillometer measurements is systematically higher than the eddy covariance data. Fluxes derived from numerical simulations proved the so-called mosaic approach to be an appropriate parameterization for subgrid heterogeneity.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER36823
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Professorship Micrometeorology - Univ.-Prof. Dr. Thomas Foken
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 11 Sep 2015 06:33
Last Modified: 24 May 2016 10:00
URI: https://eref.uni-bayreuth.de/id/eprint/19152